water supply system&comma; reclaimed water system &comma;circulating water system&comma; fire-fighting system

1&period; The outer surface is processed with three steps&colon; galvanized&comma; anti-corrosion and baking varnish&period; It is composited by special steel and polypropylene &lpar;or polyethylene&rpar; plastic tube&period;

2&period; It is easily installed and hihly reliable&period;

3&period; It is strong in heat-preservation and anti-corrosion&period; It is both suitable for surface mounted and concealed installation&period;

4&period; It is clean&comma; non-toxic&comma; safe and sanitary&period; And the performance indicators have reached the standards of Ministry of Health&period;

5&period; The inner wall of the pipe is smooth&comma; no rusting&comma; no scaling&comma; and the flow rate can be increased by 25&percnt; -30&percnt; compared with the same inner diameter of the metal tube&period; The material of the connection is the inner enamel without compression- BSJLTC pipe fitting&comma; so that it guarantees the whole circulation without flow path loss&period;

6&period; The size ranges from DN15-DN500&period; For DN15-DN100&comma; the threaded connection is used&comma; while for DN50-DN300---the groove clamp connection&comma; and for DN50-DN500---the flange connection&period;